Hypertherm D845GEBV2 Manuel d'utilisateur télécharger pdf (Page 26)

Intel Desktop Board D845GEBV2/D845GERG2 Technical Product Specification

1.8 Intel

845GE Chipset

The Intel 845GE chipset consists of the following devices:

• Intel 82845GE Graphics and Memory Controller Hub (GMCH) with Accelerated Hub

Architecture (AHA) bus

• Intel 82801DB I/O Controller Hub (ICH4) with AHA bus

• Firmware Hub (FWH)

The GMCH is a centralized controller for the system bus, the memory bus, the AGP bus, and the

Accelerated Hub Architecture interface. The ICH4 is a centralized controller for the board’s I/O

paths. The FWH provides the nonvolatile storage of the BIOS. The component combination

provides the chipset interfaces as shown in Figure 6.

845GE Chipset

82801DB

I/O Controller Hub

(ICH4)

82845GE

Graphics and

Memory Controller

Hub (GMCH)

4 Mbit Firmware

Hub (FWH)

AHA

Bus

System Bus

UDMA 33

ATA-66/100

USB

AGP

Interface

OM14832

Network

AC LinkPCI BusSMBus

DDR

SDRAM

Bus

LPC Bus

Display

Interface

Figure 6. Intel 845GE Chipset Block Diagram

For information about Refer to

The Intel 845GE chipset http://developer.intel.com

Resources used by the chipset Chapter 2

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Hypertherm D845GEBV2 Manuel d'utilisateur Page 26

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